Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

Astronomers have hoped for the existence of Planet Nine for years. Things were looking promising, but this discovery might ...

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

In 2003, NASA-funded researchers spotted what was then the most distant object discovered in our Solar System. The dwarf ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

Scientists have discovered a sednoid, named Ammonite, beyond Neptune. This icy object challenges existing theories about the outer solar system's formation.

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...